// SPDX-License-Identifier: MIT
#ifndef SIGNAL_LAYOUT_H
#define SIGNAL_LAYOUT_H

#include <cstdint>

/** Linear coordinate in the signal's bit order, widened before arithmetic. */
inline std::uint64_t SignalStartCoordinate(std::uint32_t startBit, bool littleEndian) {
    return littleEndian ? std::uint64_t(startBit)
                        : std::uint64_t(startBit / 8U) * 8U + 7U - startBit % 8U;
}

inline bool IsValidSignalLayout(std::uint32_t startBit, std::uint32_t length,
                                bool littleEndian, std::uint8_t dlc) {
    return length >= 1U && length <= 64U &&
           SignalStartCoordinate(startBit, littleEndian) + length <= std::uint64_t(dlc) * 8U;
}

#endif